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AT91RM9200-USART0-Demo
- 采用AT91RM9200的cpu,扩展第三个串口USART,通过这个串口,测试ARM与ARM的通信。此时,系统有三个可用串口,ttyS0(RS232),ttyS1(arm与arm),ttyS2(arm与AVR)-Using AT91RM9200 the cpu, expansion of the third serial port USART, through this serial port, testing, ARM and ARM communication. At this point,